X6 X6S X3 X3S X3T X30 X30 Pro X27 X27 Pro X23 X21i X21 X20 X20 Plus mobile phone battery for VIVO X9

It seems like you're mentioning a range of OEM (Original Equipment Manufacturer) batteries for various Vivo smartphone models. Specifically, the list includes several variants like X6, X6S, X3, X3S, X3T, X30, X30 Pro, X27, X27 Pro, X23, X21i, X21, X20, and X20 Plus, as well as specific models such as the Vivo X9S and X9.

If you're looking to find a high-quality replacement battery for any of these Vivo devices, it's essential to verify that the battery is compatible with the model in question. You should also ensure that the battery is from a reputable source to avoid counterfeit products that might not offer the same performance or safety standards.

Would you like more detailed information on where to find these batteries or tips on how to choose the best one?